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ASoC: pxa2xx-i2s: Fix suspend/resume

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pxa2xx_i2s_resume is :
 - unconditionnaly setting SACR0_ENB
 - unsetting SACR0_ENB in saved SACR0 pxa_i2s.sacr0
fix these.

In pxa2xx_i2s_{resume,suspend}, save/restore registers even
when !dai->active.

Signed-off-by: Karl Beldan <karl.beldan@mobile-devices.fr>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Karl Beldan 2009-05-13 22:16:59 +02:00 committed by Mark Brown
parent 9bc04fd167
commit 916465a841
1 changed files with 3 additions and 8 deletions
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11
sound/soc/pxa/pxa2xx-i2s.c
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@ -262,9 +262,6 @@ static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream,
#ifdef CONFIG_PM
static int pxa2xx_i2s_suspend(struct snd_soc_dai *dai)
{
if (!dai->active)
return 0;
/* store registers */
pxa_i2s.sacr0 = SACR0;
pxa_i2s.sacr1 = SACR1;
@ -279,16 +276,14 @@ static int pxa2xx_i2s_suspend(struct snd_soc_dai *dai)
static int pxa2xx_i2s_resume(struct snd_soc_dai *dai)
{
if (!dai->active)
return 0;
pxa_i2s_wait();
SACR0 = pxa_i2s.sacr0 &= ~SACR0_ENB;
SACR0 = pxa_i2s.sacr0 & ~SACR0_ENB;
SACR1 = pxa_i2s.sacr1;
SAIMR = pxa_i2s.saimr;
SADIV = pxa_i2s.sadiv;
SACR0 |= SACR0_ENB;
SACR0 = pxa_i2s.sacr0;
return 0;
}